Attrition

Sunny felt that they had gotten incredibly lucky. 

There was always a chance that Undying Slaughter and Devouring Beast would turn on each other, but he had not dared to rely on that possibility. But now, one of the Plagues was dead. 

That said, the situation was not ideal. Sunny would have preferred if it was Undying Slaughter that had perished… the best possible outcome, however, would have been if he had arrived just before their battle ended and stole the kill from the mist wraith. 

Then, not only would one of the Defiled Saints have died, but the other would have also been deprived of absorbing her essence. Killing Undying Slaughter then would have been much easier. 

But although their luck was good, it was not that good.